Foreword by Whitfield Diffie xiii
Chapter 1 Introduction to Quantum Computing and Its Impact 1
Evolution of Computing 1
Quantum Computing 3
Applications of Quantum Computing 5
Challenges in Developing Quantum Computers 10
Quantum Algorithms 11
Quantum Computing and Modern Cryptography 12
Impact of Potential Threats to Modern Cryptography 13
Need for Action Now 16
Responsible Quantum Computing 18
Summary 18
References 19
Chapter 2 Cryptography: An Ultimate Line of Defense for the Digital World 21
Introduction to Cryptography and Its Importance 21
Cryptography Primer for Business 24
Understanding the Pervasiveness of Encryption Across Business Security, Privacy, and Compliance 29
Cryptography in Practice Across Industries: Use-Case Scenarios and Business Value 34
Cryptography Technology and Solutions Architecture for Businesses 38
Summary 43
References 43
Chapter 3 Understanding Classical and Post-Quantum Cryptography and Solutions 45
Classical Cryptographic Algorithms and Their Applications 46
Post-Quantum Cryptography 51
Additional Quantum-Safe Technologies 56
Contrasting Quantum-Safe Technologies 58
Summary 59
References 59
Chapter 4 Managing Risks in the Quantum Era 61
Identifying Quantum-Related Business Risks and Impacts 61
Building a Robust Risk Management Framework Against Quantum Threats 65
Quantum Risk Assessment: A Comprehensive Approach with Heat Maps and Maturity Models 70
Continuous Monitoring and Adaptation to Evolving Quantum Risks 75
Regulatory Compliance in the Quantum-Safe Landscape 79
Summary 83
References 83
Chapter 5 Implementing Quantum-Safe Solutions to Protect Your Business 85
The Urgency of Transitioning to Quantum-Safe Cryptography 86
A Prescriptive Approach for Transitioning to Quantum-Safe Cryptography 89
Case Study: Transitioning IBM DB2 to Quantum-Safe Cryptography 95
Summary 99
References 99
Chapter 6 Ensuring a Successful Transition to Quantum Safe 101
Building a Quantum-Safe Transition Roadmap 101
Pitfalls and Mitigation Strategies 113
Summary 118
References 118
Chapter 7 Leveraging the Ecosystem 119
Collaboration with the Ecosystem 120
Global PQC Guidance 128
Summary 132
References 132
Chapter 9 Achieving Crypto-Agility: Future-Proofing Your Business 135
Defining Crypto-Agility and the Essential Framework 136
Cultivating a Culture of Crypto-Agility Across the Organization 141
Balancing Security and Flexibility in a Crypto-Agile Environment 148
Sustaining Crypto-Agility: Continuous Improvement and Innovation 152
Summary 156
References 156
A Vision of Securing the Digital World in the Quantum Era 159
Looking Ahead to a Quantum-Safe World 160
Quantum Safe at the Intersection of Emerging Technologies 161
Quantum Computing Roadmap 173
Key Takeaways for Business and Technology Leaders 175
Your Journey to Becoming Quantum Safe 175
References 176
Acknowledgments 179
About the Authors 183
Index 185
